Hilti NURON PC 2-22 Original Operating Instructions page 31

▶ Never transport batteries loose and unprotected. During transport, batteries should be protected from
excessive shock and vibration and isolated from any conductive materials or other batteries that may
come in contact with the terminals and cause a short circuit. Comply with the locally applicable
regulations for transporting batteries.
▶ Do not send batteries through the mail. Consult your shipper for instructions on how to ship undamaged
batteries.
▶ Prior to each use and before and after prolonged transport, check the product and the batteries for
damage.
Storage
WARNING
Accidental damage caused by defective or leaking batteries !
▶ Always store your products with the batteries removed!
▶ Store the product and the batteries in a cool and dry place. Comply with the temperature limits stated in
the technical data.
▶ Do not store batteries on the charger. Always remove the battery from the charger when the charging
operation has completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind glass.
▶ Store the product and batteries where they cannot be accessed by children or unauthorized persons.
▶ Prior to each use and before and after prolonged storage, check the product and the batteries for
damage.
9 Troubleshooting
If a problem occurs, always observe the status indicator of the battery. See the section headed Status
indicators of the Li­ion battery.
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by
yourself, contact Hilti Service.
9.1 Troubleshooting table and tips for assistance
Trouble or fault
LEDs of the battery show
nothing
Motor does not start
Motor is running but no pres-
sure built up
Pulsating pressure
Pressure steadily too low
(note: certain accessories can
reduce the pressure)
Motor is running but pressure
is limited or no working pres-
sure
*2404922*
Possible cause
Battery faulty.
Frozen up
Spray nozzle clogged
Air in hose or pump
Water supply not correct
Water filter or intake filter clogged
Intake hose kinked or pinched
Spray nozzle worn out
Water not connected
Water filter or intake filter clogged
2404922
Action to be taken
▶ Contact Hilti Service.
▶ Allow pump, hose or accessory
to thaw out.
▶ Clean the spray nozzle.
▶ Run the high-pressure cleaner
with water faucet open until
a steady working pressure is
achieved.
▶ Check that the water connection
corresponds to the information
stated in the technical data and
is supplying sufficient water.
The smallest-diameter hoses
that it is permissible to use are
¹/₂" or ⌀ 13 mm.
▶ Clean water filter and/or intake
filter.
▶ Straighten out the intake hose.
▶ Replace the spray nozzle.
▶ Connect the water.
▶ Clean water filter and/or intake
filter.
English 25